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Finding the Fourth Proportional to 214,717.87, 320,630.88 and 175,353.07

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Solution

The fourth proportional to 214,717.87, 320,630.88 and 175,353.07 is: 261,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,717.87 : 320,630.88 = 175,353.07 : x
  2. Step 2: Convert to fraction form
    214,717.87/320,630.88 = 175,353.07/x
  3. Step 3: Cross multiply
    214,717.87x = 320,630.88 × 175,353.07
  4. Step 4: Simplify right side
    214,717.87x = 56,223,608,706.42
  5. Step 5: Solve for x
    x = 56,223,608,706.42/214,717.87
  6. Step 6: Final answer
    x = 261,848.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.